ir ‧ rep ‧ a ‧ ra ‧ ble /ɪˈrep ə rəb ə l/ BrE AmE adjective written
[ Word Family: noun : ↑ repair , ↑ disrepair ; adjective : ↑ repairable , ↑ irreparable ; verb : ↑ repair ; adverb : ↑ irreparably ]
irreparable damage, harm etc is so bad that it can never be repaired or made better:
Extensive mining will cause irreparable damage to the area.
—irreparably adverb